EcoFlow Delta 3 Max

EcoFlow Delta 3 Max

The EcoFlow Delta 3 Max delivers serious power and dependable grid-like stability in a compact, portable design. With a 2048 Wh capacity and 2400 W AC output, expandable to 3400 W with X-Boost 3.0, it is built for home backup, outdoor power, and demanding professional applications.

Whether you need to run high-wattage appliances, power tools, or sensitive electronics, this power station is ready for the job. Its DSP inverter continuously monitors voltage and current to provide a clean, stable sine wave output for reliable and safe performance.

Flexible charging options

• AC charging: up to 1800 W input, reaching 0-80% in just 68 minutes

• EcoFlow Smart Generator 4000: fast emergency charging when you need backup power quickly

• Solar charging: up to 500 W input for sustainable energy on the go

• EcoFlow 500 W alternator charger: ideal for long drives, camper trips, and mobile setups

Built for reliability

EcoFlow’s Storm Guard mode can respond to severe weather alerts and automatically trigger AC charging remotely, helping you prepare before outages arrive. When paired with the EcoFlow Smart Generator 4000, the Delta 3 Max becomes a dependable energy source for storm preparedness, off-grid living, and extended backup use.

Solar charging is equally practical, reaching 0-80% in about 3.43 hours with a 500 W input. Pair it with EcoFlow solar panels, designed for high efficiency, and you have a strong renewable power solution for camping, RV travel, and remote locations.

Quiet, durable, and easy to monitor

Built with automotive-grade LFP cells and a Cell-to-Chassis structure, the Delta 3 Max is designed for improved resistance to shocks and vibration. The intelligent battery management system monitors key parameters in real time for comprehensive protection and long service life.

It is EMC Class B certified, helping ensure it will not interfere with your Wi-Fi or other home electronics. X-Quiet 3.0 technology keeps cooling performance efficient and discreet, with noise levels as low as 25 dB.

At just 20.3 kg, it is 13% lighter than previous generations without sacrificing output. Through the EcoFlow app via Wi-Fi and Bluetooth, you can track performance, view usage data, and schedule charging or discharging to optimize energy use. A UPS response time of less than 10 ms helps keep critical equipment running without interruption.

Key specifications

• Capacity: 2048 Wh (51.2 V, 40 Ah)

• AC output: 2400 W, expandable to 3400 W with X-Boost

• Ports: 4 AC outlets, USB-C (100 W + 2 x 30 W), USB-A (18 W), 12.6 V 10 A car port

• AC charging: 1800 W, 0-80% in 68 minutes

• Solar charging: up to 500 W, 0-80% in about 3.5 hours

• Car charging: up to 500 W with EcoFlow alternator charger

• Battery type: LFP (LiFePO4)

• Connectivity: Wi-Fi 2.4 GHz and Bluetooth 5.0

• Dimensions: 494 x 239 x 305 mm

• Weight: 20.3 kg

In the box

• 1x EcoFlow Delta 3 Max

• 1x AC cable

• 1x User manual